Tested up to 220 lbs of user weight. Treadmill belt size is 15" w x 42" L. Speed adjusts in increments of 1/10's MPH up to a maximum of 5 MPH to enable a slow gradual walk up to a vigorous fitness workout. Quiet drive" motor for reducing any noise when exercising so that there is no sound interference with TV or music. Space saving design for limited size locations and tight spaces. Folded dimensions: 26"l x 20" w x 58"h. LCD display window features elapsed time, distance walked, calories burned, heart Pulse and speed. 5 years limited Warranty.